SCANDIUM OXIDE SAFETY DATA SHEET DATE OF LAST REVISION: 07/14/15 Section 1: Identification

Product Name: Scandium Oxide CAS Number: 12060-08-1 / EC Number: 235-042-0 Company: Angstrom Sciences, Inc. 40 South Linden Street Duquesne, PA 15110 For more information call: 412-469-8466 (Monday - Friday 9:00 AM -5:00 PM EST)

Section 2: HAZARD IDENTIFICATION Signal Word: None

Hazard Statements: None

Precautionary Statements: None

HMIS Health Ratings (0-4): Health: 1 Flammability: 0 Physical: 0

Section 3: Composition/Information on Ingredients Chemical characterization: Ceramic Additional Names: Scandium (II) oxide CAS# Description: 12060-08-1 Percentage: 100 wt% EC number: 235-042-0

Section 4: FIRST AID MEASURES General Treatment: Seek medical attention if symptoms persist. Special Treatment: None Important Symptoms: None Eye Contact: Flush eyes with water, blinking often for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Skin Contact: Wash affected area with mild soap and water. Remove any contaminated clothing. Inhalation:Remove to fresh air. If required, give artificial respiration. Seek medical advice. Ingestion: Seek medical attention.

SCANDIUM OXIDE SAFETY DATA SHEET

Section 5: FIRE FIGHTING MEASURES

Suitable extinguishing Media: Do not use water for metal fires - use CO2, sand, extinguishing powder Flammability: Non-Flammable, except as powder Special Fire Fighting Procedure: Use full-face, self contained breathing apparatus with full protective clothing to prevent contact with skin and eyes. See section 10 for decomposition products.

Section 6: ACCIDENTAL RELEASE MEASURES Personal Precautions: Wear appropriate respiratory and protective equipment specified in special protection information. Isolate spill area and provide ventilation. Vacuum up spill using a high efficiency particulate absolute (HEPA) air filter and place in a closed container for disposal. Take care not to raise dust. Environmental Precautions: Isolate runoff to prevent environmental pollution.

Section 7: HANDLING AND STORAGE Handling Precautions for safe handling: Wash thoroughly after handling. Handle under dry protective gas. Conditions for safe storage, including any incompatibilities Store in a cool dry place in a tightly sealed container. Store apart from materials and conditions listed in Section 10. Work/Hygienic Maintenance: Do not use tobacco or food in work area. Wash thoroughly before eating and smoking. Do not blow dust off clothing or skin with compressed air. Ventilation: Provide sufficient ventilation to maintain concentration at or below threshold limit.

Section 8: EXPOSURE CONTROL/PERSONAL PROTECTION

Permissible Exposure Limits: N/A Threshold Limit Value: N/A Special Equipment: None Respiratory Protection: Use a respirator with type N95 (USA) or PE (EN 143) cartridges as a backup to engineering controls. Risk assessment should be performed to determine if purifying respirators are appropriate. Only use equipment tested and approved under appropriate government standards. Protective Gloves: Nitrile rubber, NBR 0.11 mm thick Eye Protection: Safety glasses or goggles Body Protection: Protective work clothing. Wear close-toed shoes and long sleeves/pants.

Section 9: PHYSICAL AND CHEMICAL PROPERTIES Form: Granules, Pellets, Sputtering target, Custom parts Color: White

SCANDIUM OXIDE SAFETY DATA SHEET

Odor: Odorless Water Solubility: Insoluble Boiling Point: N/A Melting Point: 2485°C Flash Point: N/A Autoignition Temperature: N/A Density: N/A Molecular Weight: 137.91 g/mol

Section 10: STABILITY AND REACTIVITY Reactivity: Oxidizing agents Chemical Stability: Stable under recommended storage conditions Incompatible Conditions: None Hazardous Decomposition Products: Metal Oxide Fume

Section 11: TOXICOLOGICAL INFORMATION

Potential Health Effects: Eyes: May cause irritation Skin: May cause irritation Ingestion: May cause irritation Inhalation: May cause irritation Chronic: N/A

Signs & Symptoms: N/A Aggravated Medical Conditions: N/A Median Lethal Dose: N/A Carcinogen: N/A

Section 12: ECOLOGICAL INFORMATION

Aquatic Toxicity: Low

Persistence Bioaccumulation Toxicity: No

Very Persistent, Very Bioaccumulative: No

Notes: N/A

Section 13: DISPOSAL CONSIDERATIONS Dispose of in accordance with local, state, national, and international regulations

SCANDIUM OXIDE SAFETY DATA SHEET

Section 14: TRANSPORT INFORMATION

Hazardous: Not hazardous for transportation Hazard Class: N/A Packing Group: N/A UN Number: N/A Proper Shipping Name: N/A

Section 15: REGULATORY INFORMATION Sec 302 Extremely Hazardous: No Sec 304 Reportable Quantities: N/A Sec 313 Toxic Chemicals: No

Section 16: OTHER INFORMATION This safety data sheet should be used in conjunction with technical sheets. It does not replace them. The information given is based on our knowledge of this product, at the time of publication. It is given in good faith. The attention of the user is drawn to the possible risks incurred by using the product for any other purpose other than that for which it was intended. This does not in any way excuse the user from knowing and applying all the regulations governing his activity. It is the sole responsibility of the user to take all precautions required in handling the product. The aim of the mandatory regulations mentioned is to help the user to fulfill his obligations regarding the use of hazardous products.